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65 lines
2.0 KiB
Diff
65 lines
2.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: tr7zw <tr7zw@live.de>
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Date: Mon, 11 May 2020 21:50:18 +0200
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Subject: [PATCH] lithium MixinAxisCycleDirection
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diff --git a/src/main/java/net/minecraft/server/EnumAxisCycle.java b/src/main/java/net/minecraft/server/EnumAxisCycle.java
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index a7c2543fdd4d5f6a04c45ec42472837ccaea9619..d05cddcc90e220c42548b2eb7b190fc63e9d51f5 100644
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--- a/src/main/java/net/minecraft/server/EnumAxisCycle.java
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+++ b/src/main/java/net/minecraft/server/EnumAxisCycle.java
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@@ -24,14 +24,27 @@ public enum EnumAxisCycle {
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return enumdirection_enumaxis.a(k, i, j);
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}
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+ /**
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+ * The JVM has difficulty optimizing these functions due to the use of dynamic dispatch. They can trivially be
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+ * implemented as a simple switch lookup table.
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+ */
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@Override
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public EnumDirection.EnumAxis a(EnumDirection.EnumAxis enumdirection_enumaxis) {
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- return null.d[Math.floorMod(enumdirection_enumaxis.ordinal() + 1, 3)];
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+ switch (enumdirection_enumaxis) {
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+ case X:
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+ return EnumDirection.EnumAxis.Y;
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+ case Y:
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+ return EnumDirection.EnumAxis.Z;
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+ case Z:
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+ return EnumDirection.EnumAxis.X;
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+ }
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+
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+ throw new IllegalArgumentException();
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}
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@Override
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public EnumAxisCycle a() {
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- return null.BACKWARD;
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+ return BACKWARD;
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}
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},
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BACKWARD {
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@@ -42,12 +55,21 @@ public enum EnumAxisCycle {
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@Override
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public EnumDirection.EnumAxis a(EnumDirection.EnumAxis enumdirection_enumaxis) {
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- return null.d[Math.floorMod(enumdirection_enumaxis.ordinal() - 1, 3)];
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+ switch (enumdirection_enumaxis) {
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+ case X:
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+ return EnumDirection.EnumAxis.Z;
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+ case Y:
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+ return EnumDirection.EnumAxis.X;
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+ case Z:
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+ return EnumDirection.EnumAxis.Y;
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+ }
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+
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+ throw new IllegalArgumentException();
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}
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@Override
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public EnumAxisCycle a() {
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- return null.FORWARD;
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+ return FORWARD;
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}
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};
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